TY - GEN AU - R S Dill AU - B A Peavy C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1956-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.4545 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1956 TI - Engineering manual for protective construction Part V heating and air conditioning of underground installations: ER -